Copper Plus spark plug RDJ7J delivers dependable performance and durability, making it an ideal OE-type replacement for your vehicle. Featuring a copper core center electrode, it ensures precise heat control for extended lifespan and consistent wear. The nickel-tipped center and ground electrodes resist fouling and provide superior corrosion resistance, ensuring reliable ignition under various conditions. Built to ISO and SAE Standards, this spark plug guarantees proven performance and compatibility with standard replacement needs. Its tapered seat design and integrated resistor further enhance functionality, making it a trusted choice for maintaining engine efficiency.

Product Features:

• Resists fouling
• Superior corrosion resistance
• Dependable and proven performance
• Increased conductivity and heat control for good overall wear